“We have a good system here but that’s not to say the system couldn’t be better.”

He said WA hadn’t shown the same good faith as other states, but he would absolutely sign up to a trial of the NDIS.

“That’s one of the things I want to co-operate with the Commonwealth on,” he said.

“You don’t always have to fight the Commonwealth. You can stand up to them when needed.

“But some things - the NDIS, occupational health and safety laws - I think there are strong arguments to be part of a national approach.”

If Labor won the March 9 poll, Mr McGowan said it was possible the party would introduce no-fault insurance to provide additional protection for people injured in motor accidents and bring WA in line with NSW, Victoria and Tasmania.

But this could make premiums skyrocket, so it would have to be done in a way that kept premiums down, Mr McGowan said.